// JR 7/6/2010 - Refactored printStackTrace into a single function using Prototype utilities 
// for printing argument Objects in their entirety, when possible.
// Requires Prototype.js
//

// Domain Public by Eric Wendelin http://eriwen.com/ (2008)
//                  Luke Smith http://lucassmith.name/ (2008)
//                  Loic Dachary <loic@dachary.org> (2008)
//                  Johan Euphrosine <proppy@aminche.com> (2008)
//
// Information and discussions
// http://jspoker.pokersource.info/skin/test-printstacktrace.html
// http://eriwen.com/javascript/js-stack-trace/
// http://pastie.org/253058
// http://browsershots.org/http://jspoker.pokersource.info/skin/test-printstacktrace.html
//

// Software License Agreement (BSD License)
//
// Copyright (c) 2007, Parakey Inc.
// All rights reserved.
//
// Redistribution and use of this software in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above
//   copyright notice, this list of conditions and the
//   following disclaimer.
//
// * Redistributions in binary form must reproduce the above
//   copyright notice, this list of conditions and the
//   following disclaimer in the documentation and/or other
//   materials provided with the distribution.
//
// * Neither the name of Parakey Inc. nor the names of its
//   contributors may be used to endorse or promote products
//   derived from this software without specific prior
//   written permission of Parakey Inc.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

function printStackTrace() {
	function stringifyArguments(args) {
        for (var i = 0; i < args.length; ++i) {
        	var argument = args[i];
        	try{
        		argument = Object.toJSON(argument);
        	}
        	catch(e){
        		argument = Object.inspect(argument);
        	}
        	args[i] = argument;
        }
        return args.join(',');
    }
	if(Prototype.Browser.Opera){
		return 'Opera not handled';
	}
	var curr = arguments.callee,
	ANON = "{anonymous}",
    fnRE  = /function\s*([\w\-$]+)?\s*\(/i,
    stack = [],j=0,fn,args;

	var maxStackSize = 10;
    while (curr && stack.length < maxStackSize) {
        fn = fnRE.test(curr.toString()) ? RegExp.$1 || ANON : ANON;
        args = Array.prototype.slice.call(curr['arguments']);
        stack[j++] = fn + '(' + stringifyArguments(args) + ')';
        curr = curr.caller;
    }
    return stack;
}